import {login, logout, getInfo} from '@/api/login'
import {
  getToken,
  setToken,
  removeToken,
  getUsername,
  setUsername
} from '@/utils/auth'

const user = {
  state: {
    token: getToken(),
    username: getUsername(),
    avatar: '',
    roles: [],
    loginTime: ''
  },

  mutations: {
    SET_TOKEN: (state, token) => {
      state.token = token;
    },
    SET_USERNAME: (state, name) => {
      state.username = name;
    },
    SET_AVATAR: (state, avatar) => {
      state.avatar = avatar;
    },
    SET_ROLES: (state, roles) => {
      state.roles = roles;
    },
    SET_LOGIN_TIME: (state, LOGIN_TIME) => {
      state.loginTime = LOGIN_TIME;
    }
  },

  actions: {
    // 登录
    Login({commit}, userInfo) {
      const username = userInfo.username.trim()
      commit('SET_USERNAME', username)
      return new Promise((resolve, reject) => {
        login(username, userInfo.password).then(response => {
          const data = response.data;
          const tokenStr = data.tokenHead + data.token;
          commit('SET_TOKEN', tokenStr);
          setToken(tokenStr);
          resolve();
        }).catch(error => {
          reject(error);
        })
      });
    },

    // 获取用户信息
    GetInfo({commit, state}) {
      return new Promise((resolve, reject) => {
        getInfo(state.username).then(response => {
          const data = response.data;
          if (data.roles && data.roles.length > 0) { // 验证返回的roles是否是一个非空数组
            commit('SET_ROLES', data.roles);
          } else {
            reject('getInfo: roles must be a non-null array !')
          }
          commit('SET_USERNAME', data.username);
          commit('SET_AVATAR', data.icon);
          commit('SET_LOGIN_TIME', data.loginTime);
          setUsername(data.username);
          resolve(response);
        }).catch(error => {
          reject(error);
        })
      })
    },

    // 登出
    LogOut({commit, state}) {
      return new Promise((resolve, reject) => {
        logout(state.token).then(() => {
          commit('SET_TOKEN', '');
          removeToken();
          resolve();
        }).catch(error => {
          reject(error);
        })
      })
    },

    // 前端 登出
    FedLogOut({commit}) {
      return new Promise(resolve => {
        commit('SET_TOKEN', '');
        removeToken();
        resolve();
      })
    }
  }
}

export default user
